Journal of the Korean Society for Nondestructive Testing (비파괴검사학회지)

The Korean Society for Nondestructive Testing (한국비파괴검사학회)
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Nondestructive Evaluation of Tempering Process of S45C Steel using DC Potential Drop Measurement

DC Potential Drop 측정을 이용한 S45C강의 템퍼링과정 비파괴 평가

  • 박용기 (한국표준연구소 비파괴시험연구실) ;
  • 안봉영 (한국표준연구소 비파괴시험연구실)
  • Published : 1989.05.30
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Abstract

DC potential drop(DCPD) measurement system was made and the optimum measuring conditions have been studied. The room temperature resistivity of commercially available medium carbon steel(S45C) was measured using this technique. DCPD was measured in the specimens which were hardened and tempered at different temperatures. It was found that DCPD reflected the change of the microstructure during tempering very sensitively. It was possible to monitor the stage of tempering of S45C steel nondestructively using DCPD measurement.

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